Home / 113,372.21-170,124.03-57,216.71

Finding the Fourth Proportional to 113,372.21, 170,124.03 and 57,216.71

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Solution

The fourth proportional to 113,372.21, 170,124.03 and 57,216.71 is: 85,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,372.21 : 170,124.03 = 57,216.71 : x
  2. Step 2: Convert to fraction form
    113,372.21/170,124.03 = 57,216.71/x
  3. Step 3: Cross multiply
    113,372.21x = 170,124.03 × 57,216.71
  4. Step 4: Simplify right side
    113,372.21x = 9,733,936,437.92
  5. Step 5: Solve for x
    x = 9,733,936,437.92/113,372.21
  6. Step 6: Final answer
    x = 85,858.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.